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You searched for: mediatype:texts AND collection:theides AND subject:"Harmonics"
[texts]A Novel Fuzzy Variable-Band Hysteresis Current Controller For Shunt Active Power Filters
This paper presents a novel fuzzy control scheme applied to shunt active power filters for harmonic and reactive power compensation. A TSK type fuzzy logic controller is proposed for APF reference current generation. To control the maximum switching frequency of the converter within limit a novel fuzzy hysteresis band current controller is used. The band height, based on fuzzy control principle is changedwith the value of supply voltage and slope of reference current...
Keywords: active power filter; nonlinear load; TSK type fuzzy controller; harmonics; indirect current control scheme
Downloads: 102
[texts]Simulation Studies of Shunt Passive Harmonic Filters: Six Pulse Rectifier Load – Power Factor Improvement and Harmonic Control
This paper presents a study of harmonic filters design procedure to minimize harmonic distortion caused by a harmonic source such as drives. The non – linear load considered in this paper is six pulse rectifier load. Design and simulation procedure with respect to this load is explained in details. Several types of shunt harmonic filters are presented. Shunt filters are effective in minimizing voltage distortion caused by nonlinear loads in industrial power systems...
Keywords: Harmonics; passive shunt filters; single tuned filter; high pass filter; filter rating
Downloads: 144
[texts]PI with Fuzzy Logic Controller based APLC for compensating harmonic and reactive power
This article explores design and analysis of proportional integrator (PI) along with Fuzzy Logic controller (FLC) based Shunt active power line conditioners (APLC) for compensating reactive power and harmonic currents drawn by the load. The aim is to study different control strategies for real time compensating current harmonics at different power conditions. The compensation process is based on calculation of unit sine vector and reduces the dc capacitor ripple voltage of the PWM-VSI by using P...
Keywords: Shunt Active Power Line Conditioners (APLC); PI controller; Fuzzy Logic Controller (FLC); Harmonics; Hysteresis Current Controller (HCC)
Downloads: 65
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